Strengthening Techniques

Spalling

Materials

  1. Bituminous coating:
  2. Epoxides & Polymers
  3. Expanding mortars
  4. Fast Setting Materials
  5. Latex modified concrete
  6. Unseed Oil
  7. Portland cement grout/mortar/concrete

Cause:

Repair techniques:

Coating, Grinding, Concrete Replacement;, Jacketing, Concrete Replacement, mortar replacement, Shotcreting, Prepacked concrete, Thin bonded OR Unbounded Resurfacing,Total Replacement

Vertical column cracks

Materials

  1. Anti corrosive coating;
  2. Bonding agents
  3. Epoxides & Polymers
  4. Jacketing material
  5. Latex modified concrete
  6. Polymers
  7. Portland cement
  8. grout/mortar/concrete

Cause:

Repair techniques:

Shoring, concrete Replacement, Rust removal, COating, Grinding, Scrubbing, Anti corrosive coating, Lates modified mortaring, Bonding treatment.

Diagonal Beam Shear/ Flexural Shear Cracking

Materials

  1. Low viscosity epoxy resins
  2. Post tension system
  3. Jacketing material
  4. Pre stressed CFRP plate system
  5. FRP Composite strengthening system
  6. Epoxy mortars

Cause:

Repair techniques:

Bolted steel plate system, FRP/CFRP Jacketing, External post tensioning, Epoxy Injecting, Routing & Sealing

Horizontal/ vertical/ splitting cracks-columns

Materials

  1. Polymer modified concrete
  2. Primer
  3. Carbon fiber
  4. Reinforced polymer sheets
  5. UV Stable Topcoat
  6. Micro concrete
  7. Reinforcement Primer

Cause:

Repair techniques:

RC Jacketing, Steel Jacketing, CFRP Wrapping, Routing & Sealing, Stitching, Epoxy Injecting, Micro concreting, Cathodic Protection RE Alkalization, Conc Replacement

Critical Distress Cracking/ Settlement

Materials

  1. GFRP/ CFRP
  2. Prepacked concrete
  3. Drypacks
  4. Epoxy resins
  5. Expansive cement
  6. Polymer concrete
  7. Fibre reinforced concrete

Cause:

Repair techniques:

Epoxy Bonding, Routing, Sealing, stitching, Ext Stressing, Blanketing, Overlaying, Jacketing, Guniting, Pre-acking, Replacement, Dry packing, Coating, GFRP/CFRP, Laminating, Shoring, Underpinning

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